Numerical simulation of explosive fracturing with smoothed particle hydrodynamics | |
Guo ZM1,2; Shen YX1; Liu MB(刘谋斌)3 | |
会议录名称 | Computational Methods for Coupled Problems in Science and Engineering V - A Conference Celebrating the 60th Birthday of Eugenio Onate, COUPLED PROBLEMS 2013 |
2013 | |
页码 | 696-707 |
会议名称 | 5th International Conference on Computational Methods for Coupled Problems in Science and Engineering, COUPLED PROBLEMS 2013 |
会议日期 | June 17, 2013 - June 19, 2013 |
会议地点 | Santa Eulalia, Ibiza Island, Spain |
摘要 | In this paper we study explosive fracturing with smoothed particle hydrodynamics (SPH). As a particle based Lagrangian method, SPH is particularly suited to the analysis of fracture due to its full Lagrangian frame and capacity to model large deformation. We adopt the Jones-Wilkins-Lee equation as equation of state of the trinitrotoluene (TNT) explosive and a continuum elasto-damage model to predict the fracture of the rock. We predict the evolution of damage using the strain history of each particle. To strengthen the interaction of coupling interfaces we use a penalty function to avoid penetration between different material particles. |
关键词 | Computational methods Equations of state Explosives Fracture Interfaces (materials) Lagrange multipliers Damage model Explosive fracture Mesh free method Rock fractures Smoothed particle hydrodynamics |
ISBN号 | 9788494140761 |
收录类别 | EI |
语种 | 英语 |
文献类型 | 会议论文 |
条目标识符 | http://dspace.imech.ac.cn/handle/311007/77984 |
专题 | 流固耦合系统力学重点实验室 |
作者单位 | 1.Laboratori de Càlcul Numèric (LaCàN), Universitat Politècnica de Catalunya (UPC BarcelonaTech), Campus Nord, C/ Jordi Girona 1-3, 08034 Barcelona, Spain; 2.School of Mechatronic Engineering, North University of China, Xueyuan Road 3, 030051 Taiyuan, Shanxi, China; 3.Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Institute of Mechanics, Chinese Academy of Sciences, 15, Bei Si Huan Xi Lu, Haidian District, Beijing, 100190, China |
推荐引用方式 GB/T 7714 | Guo ZM,Shen YX,Liu MB. Numerical simulation of explosive fracturing with smoothed particle hydrodynamics[C]Computational Methods for Coupled Problems in Science and Engineering V - A Conference Celebrating the 60th Birthday of Eugenio Onate, COUPLED PROBLEMS 2013,2013:696-707. |
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